formbook | bc5af6d6aa8b703a81fe8ba15788bf4de8bc9f5c69d300eb15559df8960b3232

General

Target

Attached is list of our purchase order.exe
Size

1018KB
MD5

51c0b8ed8fefbc54a2dee932441e60f5
SHA1

f1725101ee1c02864a3e829d08d9062d9f05a694
SHA256

ab654da16e2c42b2547b884c79f0829214b34e0d1db7ab0ad23271a66f3298c3
SHA512

1d596345a1e54f24de8e2b2d086eed00ec822caab7b985abae37df15d300419ef0e0dc81d7154b73c89a2fa74b9fecc4d42f7fb09f56cb0e33e415056baf8804

Score

10^/10

formbook 3nop persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1596-56-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral1/memory/1740-59-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1740-61-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral1/memory/1236-71-0x00000000000D0000-0x00000000000FD000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JT7PVFKPWFM = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	msiexec.exe
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 3 IoCs

Processes:

ieinstal.exemsiexec.exe

description	pid	process	target process
PID 1740 set thread context of 1260	1740	ieinstal.exe	Explorer.EXE
PID 1740 set thread context of 1260	1740	ieinstal.exe	Explorer.EXE
PID 1236 set thread context of 1260	1236	msiexec.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

ieinstal.exemsiexec.exe

pid	process
1740	ieinstal.exe
1740	ieinstal.exe
1740	ieinstal.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe
1236	msiexec.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

ieinstal.exemsiexec.exe

pid process

1740 ieinstal.exe
1740 ieinstal.exe
1740 ieinstal.exe
1740 ieinstal.exe
1236 msiexec.exe
1236 msiexec.exe
1236 msiexec.exe
1236 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ieinstal.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1740 ieinstal.exe
Token: SeDebugPrivilege 1236 msiexec.exe

description	pid	process
Token: SeDebugPrivilege	1740	ieinstal.exe
Token: SeDebugPrivilege	1236	msiexec.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

Attached is list of our purchase order.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1596 wrote to memory of 1740	1596	Attached is list of our purchase order.exe	ieinstal.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1236	1260	Explorer.EXE	msiexec.exe
PID 1236 wrote to memory of 1636	1236	msiexec.exe	Firefox.exe
PID 1236 wrote to memory of 1636	1236	msiexec.exe	Firefox.exe
PID 1236 wrote to memory of 1636	1236	msiexec.exe	Firefox.exe
PID 1236 wrote to memory of 1636	1236	msiexec.exe	Firefox.exe
PID 1236 wrote to memory of 1636	1236	msiexec.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\Attached is list of our purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Attached is list of our purchase order.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1596

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1740

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:432

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:392

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1396

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:816

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1508

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:736

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:808

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:476

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1016

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1696

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:748

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:536

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:972

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1776

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1780

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:612

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1924

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1748

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1476

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1636

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg
Filesize
44KB

MD5
6c2bb8356a7beaee984971e15c64cfc2

SHA1
065cdddf14f0641d0023caac9f34e5c099ad904a

SHA256
0aca76e1b8a9e0210a6e1c842e8a3ca63840530a6fecdd22bab7390f7bd99a96

SHA512
1f6f8aaaae64ff59ae7066f4f42a907cd8f2b99652cded9d33c9c333760db87144aeb1d30be12949659c217efb2ddc7c1ec32d2e6dfbcdfac143b1bea5e3cf98

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1236-68-0x0000000000000000-mapping.dmp

Download
memory/1236-73-0x0000000000A60000-0x0000000000AF3000-memory.dmp

Filesize
588KB

Download
memory/1236-72-0x0000000002110000-0x0000000002413000-memory.dmp

Filesize
3.0MB

Download
memory/1236-71-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1236-70-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/1260-74-0x0000000006FA0000-0x00000000070E8000-memory.dmp

Filesize
1.3MB

Download
memory/1260-67-0x0000000006E20000-0x0000000006F9A000-memory.dmp

Filesize
1.5MB

Download
memory/1260-64-0x0000000006200000-0x000000000637D000-memory.dmp

Filesize
1.5MB

Download
memory/1596-54-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/1596-56-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/1740-66-0x00000000002E0000-0x00000000002F4000-memory.dmp

Filesize
80KB

Download
memory/1740-63-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/1740-62-0x00000000021E0000-0x00000000024E3000-memory.dmp

Filesize
3.0MB

Download
memory/1740-61-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/1740-59-0x0000000000000000-mapping.dmp

Download
memory/1740-57-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads